207920

Appears in sequences

• Smallest multiple of n beginning and ending in n and having a digit sum of n, or 0 if no such number exists.at n=19A077739
• Smallest multiple of n beginning and ending in n and with a digit sum that is divisible by n.at n=19A078213
• Number of maximal irredundant and minimal dominating sets in the n X n rook complement graph.at n=9A291623